Questions LLC
Login
or
Sign Up
Ask a New Question
Questions
Math
Determine the area between the z-scores in each pair for a normal distribution. Round your answers to 4 decimal places.
(a) 1.12 and 1.98
(b) –2.12 and –1.0
1 answer
Use a table in the back of your stat book labeled something like "areas under normal distribution" to find the percentages for the Z scores. Choose the correct values and subtract one value from the other.
You can
ask a new question
or
answer this question
.
Related Questions
Scores on a test have a mean of 66 and Q3 is 80. The scores have a distribution that is approximately normal. Find the standard
A normal distribution has a mean of 120 and a standard deviation of 20. What range of scores would form the middle 60%?
For a normal distribution with a mean of m = 80 and a standard deviation of s = 20, find the proportion of the population
Find the z-scores that separate the middle 40% of the distribution from the area in the tails of the standard normal
the five number summary of the distribution of scores on a statistics exam is
0 26 31 36 50 316 students took the exam. the
Given a normal distribution of scores with a mean of 100 and a SD of 10, compute z scores for the following raw valves: 95, 115,
In a normal distribution, what z-score value separates the highest 90% of the scores from the rest of the distribution?
a)z =
Assume Z has a standard normal distribution. Use Appendix Table III to determine the value for z that solves each of the
The Frequency distribution of a histogram is the following scores:
X F 1 1 2 1 3 2 4 1 1) what is the total area in the
Find the Z-score that separate the middle 63% of the distribution from the area in the tails of the standard normal distribution